/// <summary>
/// 鼠标移动时运行
/// </summary>
/// <param name="movePT">鼠标地图点</param>
public void OnMouseMoveRun(IPoint movePT)
{
if (polygonFeedback != null)
{
polygonFeedback.MoveTo(movePT);
}
// 点集合
IPointCollection pointColTemp = new Polygon();
for (int i = 0; i < pointCollection.PointCount; i++)
{
pointColTemp.AddPoint(pointCollection.get_Point(i), Type.Missing, Type.Missing);
}
// 添加当前点
pointColTemp.AddPoint(movePT);
if (pointColTemp.PointCount < 3)
{
return;
}
// 获得图形
IPolygon polygon = pointColTemp as IPolygon;
if (polygon != null)
{
polygon.Close();
IGeometry geo = polygon as IGeometry;
ITopologicalOperator topo = geo as ITopologicalOperator;
topo.Simplify();
geo.Project(mapControl.SpatialReference);
// 获得面积
IArea area = geo as IArea;
totalArea = area.Area;
}
}
private void axMapControl1_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e)
{
switch (m_sketchshape)
{
case "polygon":
{
if (m_NewPolygonFeedback != null)
{
IPoint iPoint = new PointClass();
iPoint = m_MapCtrls.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
m_NewPolygonFeedback.MoveTo(iPoint);
}
}
break;
case "rectangle":
{
IScreenDisplay iSDisplay = m_MapCtrls.ActiveView.ScreenDisplay;
IPoint newPoint = new PointClass();
newPoint = iSDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
if (m_RecFeedback != null)
{
m_RecFeedback.MoveTo(newPoint);
}
}
break;
}
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
if (m_polygonFeedback != null)
{
IPoint cursorPoint = m_screenDisplay.DisplayTransformation.ToMapPoint(X, Y);
m_polygonFeedback.MoveTo(cursorPoint);
}
}
//鼠标移动， 将工具也移动到点的位置
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
base.OnMouseMove(Button, Shift, X, Y);
IPoint pPoint = m_MapControl.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
m_pNewPolygonFeedback.MoveTo(pPoint);
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
if (m_pNewPolygonFeedback != null)
{
IPoint pPnt;
pPnt = (IPoint)m_pScrD.DisplayTransformation.ToMapPoint(X, Y);
m_pNewPolygonFeedback.MoveTo(pPnt);
}
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
if (_startPoint != null)
{
IPoint movePoint = (myHook.FocusMap as IActiveView).ScreenDisplay.
DisplayTransformation.ToMapPoint(X, Y);
_polyFeedback.MoveTo(movePoint);
}
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
IPoint pt = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
pt = GIS.GraphicEdit.SnapSetting.getSnapPoint(pt);
if (m_NewPolygonFeedback == null)
{
return;
}
m_NewPolygonFeedback.MoveTo(pt);
if (m_ptCollection.PointCount == 0)
{
return;
}
double d_Total = 0;
double d_segment = 0;
double d_Area = 0;//20140219 lyf
IPoint lastPt = m_ptCollection.get_Point(m_ptCollection.PointCount - 1);
ILine line = new LineClass();
line.PutCoords(lastPt, pt);
//节距离
d_segment = line.Length;
m_frmMeasureResult.Segment = d_segment;
///20140219 lyf 当前点和起始点距离，计算周长用
IPoint firstPt = m_ptCollection.get_Point(0);
ILine tempLastLine = new LineClass();
tempLastLine.PutCoords(pt, firstPt);
try
{
IPolyline polyline = m_ptCollection as IPolyline;
if (polyline.IsEmpty)
{
d_Total = d_segment;
d_Area = 0;
}
else
{
d_Total = polyline.Length + d_segment + tempLastLine.Length;
d_Area = CaculateArea(pt);
}
}
catch
{
}
//赋值给总长度
m_frmMeasureResult.Total = d_Total;
m_frmMeasureResult.Area = d_Area;
m_frmMeasureResult.PolygonResultChange();
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
// TODO: Add AreaPrintMapClass.OnMouseMove implementation
if (m_NewPolygonFeedback != null)
{
IPoint pPoint;
pPoint = (IPoint)m_ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
m_NewPolygonFeedback.MoveTo(pPoint);
}
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
// TODO: Add ToolAddTinPlane.OnMouseMove implementation
IMapControl2 pMapCtr = (((IToolbarControl)m_hookHelper.Hook).Buddy) as IMapControl2;
if (mNewPolygonFeedback != null && pMapCtr != null)
{
IPoint mapPoint = pMapCtr.ToMapPoint(X, Y);
mNewPolygonFeedback.MoveTo(mapPoint);
}
}
private void OnOnMouseMove(int button, int shift, int i, int i1, double mapX, double mapY)
{
if (_polygonFeedback == null)
{
return;
}
IPoint point = new PointClass();
point.PutCoords(mapX, mapY);
_polygonFeedback.MoveTo(point);
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
IPoint pPt = m_ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
//MoveTo方法继承自IDisplayFeedback接口的定义
if (pPolygonFeedback != null)
{
pPolygonFeedback.MoveTo(pPt);
}
m_pPoint = m_ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
if (m_hookHelper != null)
{
IPoint pPoint;
pPoint = m_pScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
m_blnSnap = false;
if (ClsDeclare.g_blnSnap == true)
{
m_pSnapPoint = ClsMeasureSnap.MeasureSnapPoint(ref pPoint);
if (m_pSnapPoint != null)
{
m_blnSnap = true;
}
else
{
m_blnSnap = false;
}
}
if (m_pNewPolygonFeedback != null)
{
if (m_blnSnap == true)
{
m_pNewPolygonFeedback.MoveTo(m_pSnapPoint);
}
else
{
m_pNewPolygonFeedback.MoveTo(pPoint);
}
}
}
else if (m_sceneHookHelper != null)
{
}
else if (m_globeHookHelper != null)
{
}
}
/// <summary>
/// 移动鼠标位置，动态改变折线或多边形最后节点的位置，
/// 重新计算各个测量值，建议在Map的MouseMove事件中调用，
/// 并提取当前的测量结果进行显示
/// </summary>
/// <param name="point">终点</param>
public void MoveTo(IPoint point)
{
if (_eMeasureType == EMeasureType.Distance || _eMeasureType == EMeasureType.Angle)
{
_newLineFeedback.MoveTo(point);
CalculateLength(point);
CalculateDirection(point);
CalculateAngle(point);
}
else if (_eMeasureType == EMeasureType.Area)
{
_newPolygonFeedback.MoveTo(point);
CalculateArea(point);
}
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
// TODO: Add ToolRasterEdit.OnMouseMove implementation
IMapControl3 pMapCtrl = ClsGlobal.GetMapControl(m_hookHelper);
if (pMapCtrl == null)
{
return;
}
IPoint pPoint = pMapCtrl.ToMapPoint(X, Y);
if (m_NewPolygonFeedback != null)
{
m_NewPolygonFeedback.MoveTo(pPoint);
}
}
/// <summary>
/// 鼠标移动，在此动态在m_GeoMeasure中加入鼠标现在的点进行动态量测
/// </summary>
/// <param name="Button"></param>
/// <param name="Shift"></param>
/// <param name="X"></param>
/// <param name="Y"></param>
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
// TODO: Add ToolMeasureArea.OnMouseMove implementation
if (this.m_GeoMeasure == null)
{
return;
}
IActiveView ipAV = this.m_hookHelper.ActiveView;
///////////生成新点///////////////
IPoint ipPt = new PointClass();
ipPt = ipAV.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
SnapPoint(ipPt);
if (m_pNewPolygonFeed != null)
{
m_pNewPolygonFeed.MoveTo(ipPt);
}
/*
* ///////生成新图形/////////
* IClone ipClone = this.m_GeoMeasure as IClone;
* IGeometry ipGeo = ipClone.Clone() as IGeometry;
* object obj = Type.Missing;
*
* IGeometryCollection ipGeoCol = ipGeo as IGeometryCollection;
* ISegmentCollection ipSelCol = ipGeoCol.get_Geometry(0) as ISegmentCollection;
* ipSelCol.RemoveSegments(ipSelCol.SegmentCount - 1, 1, false);
* ILine ipLine = new LineClass();
* ipLine.PutCoords(ipSelCol.get_Segment(ipSelCol.SegmentCount - 1).ToPoint, ipPt);
* ISegment ipSeg = ipLine as ISegment;
* ipSelCol.AddSegment(ipSeg, ref obj, ref obj);
* ipLine = new LineClass();
* ipLine.PutCoords(ipPt, ipSelCol.get_Segment(0).FromPoint);
* ipSeg = ipLine as ISegment;
* ipSelCol.AddSegment(ipSeg, ref obj, ref obj);
*
* ////////显示/////////////
* this.m_Element.Geometry = ipGeo;
* //局部刷新
* ipAV.PartialRefresh(esriViewDrawPhase.esriViewGraphics, ipGeo, null);
* //ipAV.Refresh();
*/
}
public void OnMouseMove(int button, int shift, int x, int y)
{
IPoint pPt = m_activeView.ScreenDisplay.DisplayTransformation.ToMapPoint(x, y);
if (m_EngineEditLayers == null) return;
//获取编辑目标图层
IFeatureLayer pFeatLyr = m_EngineEditLayers.TargetLayer;
if (pFeatLyr == null) return;
IFeatureClass pFeatCls = pFeatLyr.FeatureClass;
if (pFeatCls == null) return;
switch (pFeatCls.ShapeType)
{
case esriGeometryType.esriGeometryPolyline:
if (m_newLineFeedBack != null)
m_newLineFeedBack.MoveTo(pPt);
break;
case esriGeometryType.esriGeometryPolygon:
if (m_newPolyFeedBack != null)
m_newPolyFeedBack.MoveTo(pPt);
break;
}
}
public override void OnKeyUp(int keyCode, int Shift)
{
if (Shift != 2 && keyCode != 90)
{
return;
}
if (m_pNewPolygonFeedback == null)
{
return;
}
IPolygon pPolygon = m_pNewPolygonFeedback.Stop();
m_pNewPolygonFeedback = null;
if (pPolygon == null)
{
return;
}
IPointCollection pntCol = pPolygon as IPointCollection;
IRgbColor pRGB = new RgbColorClass();
ISimpleFillSymbol pSimpleFillSymbol = new SimpleFillSymbolClass();
pRGB.Red = 15;
pRGB.Blue = 15;
pRGB.Green = 0;
pSimpleFillSymbol.Color = pRGB;
pSimpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
m_pNewPolygonFeedback = new NewPolygonFeedbackClass();
m_pNewPolygonFeedback.Symbol = pSimpleFillSymbol as ISymbol;
m_pNewPolygonFeedback.Display = m_MapControl.ActiveView.ScreenDisplay;
m_pNewPolygonFeedback.Start(pntCol.get_Point(0));
for (int i = 1; i < pntCol.PointCount - 2; i++)
{
m_pNewPolygonFeedback.AddPoint(pntCol.get_Point(i));
}
m_pNewPolygonFeedback.MoveTo(pntCol.get_Point(pntCol.PointCount - 1));
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
IFeatureLayer m_FeatureLayer = (IFeatureLayer)CreateShape.m_CurrentLayer;;
if (m_FeatureLayer.FeatureClass == null)
{
return;
}
// 移动鼠标形成线、面的节点
IActiveView m_ActiveView = m_AxMapControl.ActiveView;
IPoint pMovePoint = m_ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
if (m_pNewLineFeedback != null)
{
m_pNewLineFeedback.MoveTo(pMovePoint);
}
else if (m_pPlygonFeadback != null)
{
m_pPlygonFeadback.MoveTo(pMovePoint);
}
}
public void OnMouseMove(int button, int shift, int x, int y)
{
IPoint point = activeView.ScreenDisplay.DisplayTransformation.ToMapPoint(x, y);
if (engineEditLayers == null)
{
return;
}
//获取编辑目标图层
IFeatureLayer featureLayer = engineEditLayers.TargetLayer;
if (featureLayer == null)
{
return;
}
IFeatureClass featureClass = featureLayer.FeatureClass;
if (featureClass == null)
{
return;
}
switch (featureClass.ShapeType)
{
case esriGeometryType.esriGeometryPolyline:
if (newLineFeedback != null)
{
newLineFeedback.MoveTo(point);
}
break;
case esriGeometryType.esriGeometryPolygon:
if (newLineFeedback != null)
{
newPolygonFeedback.MoveTo(point);
}
break;
}
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
IPoint pPt = m_activeView.ScreenDisplay.DisplayTransformation.ToMapPoint(x, y);
if (m_EngineEditLayers == null)
{
return;
}
//获取编辑目标图层
IFeatureLayer pFeatLyr = m_EngineEditLayers.TargetLayer;
if (pFeatLyr == null)
{
return;
}
IFeatureClass pFeatCls = pFeatLyr.FeatureClass;
if (pFeatCls == null)
{
return;
}
switch (pFeatCls.ShapeType)
{
case esriGeometryType.esriGeometryPolyline:
if (m_newLineFeedback != null)
{
m_newLineFeedback.MoveTo(pPt);
}
break;
case esriGeometryType.esriGeometryPolygon:
if (m_newPolygonFeedback != null)
{
m_newPolygonFeedback.MoveTo(pPt);
}
break;
}
}
private void axMapcontrol_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e)
{
sMapunits = GetMapunits(this.axMapcontrol.Map.MapUnits);
this.barCoortxt.Text = string.Format("当前坐标：X={0:#.###} Y={1:#.###} {2}", e.mapX, e.mapY, sMapunits);
movepnt = new PointClass();
movepnt.PutCoords(e.mapX, e.mapY);
switch (pMouseOperate)
{
case "MeasureLength":
if (m_newline != null && movepnt != null)
{
m_newline.MoveTo(movepnt);
//计算两点距离
double deltaX = 0;
double deltaY = 0;
deltaX = movepnt.X - Dwnpoint.X;
deltaY = movepnt.Y - Dwnpoint.Y;
SegmentLength = Math.Round(Math.Sqrt(deltaX * deltaX + deltaY * deltaY));
TotalLength = TotalLength + SegmentLength;
if (frmMeasureResult != null)
{
//绑定事件
ShowResultEvent += new showResult(frmMeasureResult.showResult);
ShowResultEvent(new double[] { SegmentLength, TotalLength }, sMapunits, pMouseOperate);
TotalLength = TotalLength - SegmentLength; //鼠标移动到新点重新开始算
}
}
break;
case "MeasureArea":
if (m_newpolygon != null && Area_Pocoll != null)
{
m_newpolygon.MoveTo(movepnt);
IPointCollection pocoll = new PolygonClass();
IGeometry pGeo = null;
IPolygon polygon = null;
ITopologicalOperator topo = null;
for (int i = 0; i < Area_Pocoll.PointCount; i++)
{
pocoll.AddPoint(Area_Pocoll.get_Point(i), missing, missing);
}
if (movepnt == null || movepnt.IsEmpty)
{
return;
}
pocoll.AddPoint(movepnt, missing, missing);
if (pocoll.PointCount < 3)
{
return;
}
polygon = pocoll as IPolygon;
if (polygon == null)
{
return;
}
//多边形闭合
polygon.Close();
pGeo = polygon as IGeometry;
topo = pGeo as ITopologicalOperator;
//使几何图形的拓扑正确
topo.Simplify();
pGeo.Project(this.axMapcontrol.SpatialReference);
IArea area = pGeo as IArea;
if (frmMeasureResult != null && !frmMeasureResult.IsDisposed)
{
ShowResultEvent += new showResult(frmMeasureResult.showResult);
ShowResultEvent(new double[] { area.Area, polygon.Length }, sMapunits, pMouseOperate);
}
}
break;
}
}
public void frmMove(ref IPoint pPoint, ref INewPolygonFeedback m_FeedbackPolygon)
{
if (tbtnArea.Checked == true)
{
IPoint pPnt = pPoint;
m_CurPoint = pPnt;
if (m_FeedbackPolygon != null)
{
m_FeedbackPolygon.MoveTo(pPnt);
double MoveArea = 0.0;
double MoveLength = 0.0;
double tempLegth = 0.0;
IPoint LastPoint = pCollection.get_Point(pCollection.PointCount - 1);
IPoint CurPoint = m_CurPoint;
IPoint FirstPoint = pCollection.get_Point(0);
SegAreaLength = Math.Sqrt(Math.Pow((LastPoint.X - CurPoint.X), 2) + Math.Pow((LastPoint.Y - CurPoint.Y), 2));
tempLegth = Math.Sqrt(Math.Pow((CurPoint.X - FirstPoint.X), 2) + Math.Pow((CurPoint.Y - FirstPoint.Y), 2));
MoveLength = TotalAreaLength + SegAreaLength + tempLegth;
double CntMoveLength = CntUnit.ConvertUnits(MoveLength, inUnit.pUnit, outUnit.pUnit);
double CntSegAreaLength = CntUnit.ConvertUnits(SegAreaLength, inUnit.pUnit, outUnit.pUnit);
MoveArea = CaculateArea(pPnt);
double CntMoveArea;
string AreaUnitMess;
CntMoveArea = ConvertToArea(MoveArea, inAreaUnit.UnitName, outAreaUnit.UnitName);
if (outAreaUnit.UnitName == "Unkown Units")
{
AreaUnitMess = outAreaUnit.UnitName;
}
else
{
AreaUnitMess = "Square " + outAreaUnit.UnitName;
}
m_SegLen.value = CntSegAreaLength;
m_SegLen.units = outUnit.pUnit;
m_TotLen.value = CntMoveLength;
m_TotLen.units = outUnit.pUnit;
m_Area.value = CntMoveArea;
m_Area.units = outAreaUnit.pUnit;
CntMoveLength = Math.Round(CntMoveLength, 6);
CntMoveArea = Math.Round(CntMoveArea, 6);
CntSegAreaLength = Math.Round(CntSegAreaLength, 6);
double tempSumPeri = SumPerimeters + CntMoveLength;
double tempSumAreas = SumAreas + CntMoveArea;
UnitSumPeri = tempSumPeri;
UnitSumArea = tempSumAreas;
txtMessage.Text = "测量面" + "\r\n线段长是" + CntSegAreaLength + outUnit.UnitName + "\r\n周长是：" + CntMoveLength + outUnit.UnitName + "\r\n面积是：" + CntMoveArea + AreaUnitMess;
if (tbtnSum.Checked == true)
{
txtMessage.Text += "\r\n" + "\r\n周长长度之和是：" + tempSumPeri + outUnit.UnitName + "\r\n面积之和是：" + tempSumAreas + AreaUnitMess;
}
}
}
}
public void frmMove(ref IPoint pPoint, ref INewPolygonFeedback m_FeedbackPolygon)
{
if (tbtnArea.Checked == true)
{
IPoint pPnt = pPoint;
m_CurPoint = pPnt;
if (m_FeedbackPolygon != null)
{
m_FeedbackPolygon.MoveTo(pPnt);
double MoveArea = 0.0;
double MoveLength = 0.0;
double tempLegth = 0.0;
IPoint LastPoint = pCollection.get_Point(pCollection.PointCount - 1);
IPoint CurPoint = m_CurPoint;
IPoint FirstPoint = pCollection.get_Point(0);
SegAreaLength = Math.Sqrt(Math.Pow((LastPoint.X - CurPoint.X), 2) + Math.Pow((LastPoint.Y - CurPoint.Y), 2));
tempLegth = Math.Sqrt(Math.Pow((CurPoint.X - FirstPoint.X), 2) + Math.Pow((CurPoint.Y - FirstPoint.Y), 2));
MoveLength = TotalAreaLength + SegAreaLength + tempLegth;
double CntMoveLength = CntUnit.ConvertUnits(MoveLength, inUnit.pUnit, outUnit.pUnit);
double CntSegAreaLength = CntUnit.ConvertUnits(SegAreaLength, inUnit.pUnit, outUnit.pUnit);
MoveArea = CaculateArea(pPnt);
double CntMoveArea;
string AreaUnitMess;
CntMoveArea=ConvertToArea( MoveArea, inAreaUnit.UnitName , outAreaUnit.UnitName);
if (outAreaUnit.UnitName == "Unkown Units")
AreaUnitMess = outAreaUnit.UnitName;
else
AreaUnitMess = "Square " + outAreaUnit.UnitName;
m_SegLen.value = CntSegAreaLength;
m_SegLen.units = outUnit.pUnit;
m_TotLen.value = CntMoveLength;
m_TotLen.units = outUnit.pUnit;
m_Area.value = CntMoveArea;
m_Area.units = outAreaUnit.pUnit;
CntMoveLength = Math.Round(CntMoveLength, 6);
CntMoveArea = Math.Round(CntMoveArea, 6);
CntSegAreaLength = Math.Round(CntSegAreaLength, 6);
double tempSumPeri = SumPerimeters + CntMoveLength;
double tempSumAreas = SumAreas + CntMoveArea;
UnitSumPeri = tempSumPeri;
UnitSumArea = tempSumAreas;
txtMessage.Text ="测量面" +"\r\n线段长是" + CntSegAreaLength + outUnit.UnitName + "\r\n周长是：" +CntMoveLength + outUnit.UnitName + "\r\n面积是：" + CntMoveArea + AreaUnitMess;
if (tbtnSum.Checked == true)
txtMessage.Text += "\r\n" + "\r\n周长长度之和是：" +tempSumPeri+ outUnit.UnitName + "\r\n面积之和是：" + tempSumAreas+ AreaUnitMess;
}
}
}
/// <summary>
/// MainMapControl鼠标移动事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MainMapControl_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e)
{
sMapUnits = GetMapUnit(MainMapControl.Map.MapUnits);
toolStripStatusLabel1.Text = String.Format("当前坐标：X = {0:#.###} Y = {1:#.###} {2}", e.mapX, e.mapY, sMapUnits);
pMovePt = (MainMapControl.Map as IActiveView).ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
switch (pMouseOperate)
{
case "MeasureLength":
if (pNewLineFeedback != null)
{
pNewLineFeedback.MoveTo(pMovePt);
}
double deltaX = 0; //两点之间X差值
double deltaY = 0; //两点之间Y差值
if ((pPointPt != null) && (pNewLineFeedback != null))
{
deltaX = pMovePt.X - pPointPt.X;
deltaY = pMovePt.Y - pPointPt.Y;
dSegmentLength = Math.Round(Math.Sqrt((deltaX * deltaX) + (deltaY * deltaY)), 3);
dToltalLength = dToltalLength + dSegmentLength;
if (frmMeasureResult != null)
{
frmMeasureResult.lblMeasureResult.Text = String.Format(
"当前线段长度：{0:.###}{1};\r\n总长度为: {2:.###}{1}",
dSegmentLength, sMapUnits, dToltalLength);
dToltalLength = dToltalLength - dSegmentLength; //鼠标移动到新点重新开始计算
}
frmMeasureResult.frmClosed += new FormMeasureResult.FormClosedEventHandler(frmMeasureResult_frmColsed);
}
break;
case "MeasureArea":
if (pNewPolygonFeedback != null)
{
pNewPolygonFeedback.MoveTo(pMovePt);
}
IPointCollection pPointCol = new Polygon();
IPolygon pPolygon = new PolygonClass();
IGeometry pGeo = null;
ITopologicalOperator pTopo = null;
for (int i = 0; i <= pAreaPointCol.PointCount - 1; i++)
{
pPointCol.AddPoint(pAreaPointCol.get_Point(i), ref missing, ref missing);
}
pPointCol.AddPoint(pMovePt, ref missing, ref missing);
if (pPointCol.PointCount < 3)
{
return;
}
pPolygon = pPointCol as IPolygon;
if ((pPolygon != null))
{
pPolygon.Close();
pGeo = pPolygon as IGeometry;
pTopo = pGeo as ITopologicalOperator;
//使几何图形的拓扑正确
pTopo.Simplify();
pGeo.Project(MainMapControl.Map.SpatialReference);
IArea pArea = pGeo as IArea;
frmMeasureResult.lblMeasureResult.Text = String.Format(
"总面积为：{0:.####}平方{1};\r\n总长度为：{2:.####}{1}",
pArea.Area, sMapUnits, pPolygon.Length);
pPolygon = null;
}
break;
default:
break;
}
}
private void axMapControl1_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e)//左下角鼠标坐标显示
{
sMapUnit = GetMapUnit(axMapControl1.Map.MapUnits);
barCoorTxt.Text = string.Format("当前坐标：X{0:#.###} Y={1:#.###}{2}", e.mapX, e.mapY, sMapUnit);
pMovePt = axMapControl1.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y); //获取移动点
switch (mousedownname)
{
case "MeasureLength": //距离量测
if (pNewLineFeedback != null)
{
pNewLineFeedback.MoveTo(pMovePt); //移动至当前
}
if (pPointPt != null && pNewLineFeedback != null)
{
double deltaX = pMovePt.X - pPointPt.X; //两点间X差
double deltaY = pMovePt.Y - pPointPt.Y; //两点间Y 差
dSegmentLength = Math.Round(Math.Sqrt(deltaX * deltaX + deltaY * deltaY), 3);
dToltaLength = dToltaLength + dSegmentLength;
if (frmMeasureresult != null)
{
frmMeasureresult.label2.Text = String.Format("当前长度线段为：{0:.###}{1};\r\n总长度为：{2:.###}{1}", dSegmentLength, sMapUnit, dToltaLength);
dToltaLength = dToltaLength - dSegmentLength; //鼠标移动到新点重新开始计算
}
}
break;
case "MeasureArea": //面积量测
if (pNewPolygonFeedback != null)
{
pNewPolygonFeedback.MoveTo(pMovePt);
}
IPointCollection pPointCol = new Polygon(); //实例化一个新的点集对象
IPolygon pPolygon = new PolygonClass(); //实例化一个面几何对象
for (int i = 0; i <= pAreaPointCollection.PointCount - 1; i++)
{
pPointCol.AddPoint(pAreaPointCollection.get_Point(i), ref missing, ref missing); //将全局变量中已经确定的点集赋给pPointCol这个点集对象
}
pPointCol.AddPoint(pMovePt, ref missing, ref missing); //将当前的移动点赋给pPointCol这个点集对象
if (pPointCol.PointCount < 3)
{
return; //小于三个点无法形成面，不执行以下语句
}
pPolygon = pPointCol as IPolygon; //将点集合形成一个面对象
if ((pPolygon != null))
{
pPolygon.Close();
IGeometry pGeo = pPolygon;
ITopologicalOperator pTopo = pGeo as ITopologicalOperator;
pTopo.Simplify();
pGeo.Project(axMapControl1.Map.SpatialReference);
IArea pArea = pGeo as IArea;
frmMeasureresult.label2.Text = String.Format("总面积为：{0:.####}平方{1};\r\n总长度为：{2:.#####}{1}", pArea.Area, sMapUnit, pPolygon.Length);
}
break;
}
}
private void axMapControl1_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e) //地图移动
{
if (axMapControl1.LayerCount == 0)
{
return;
}
sMapUnits = "千米";//GetMapUnit(axMapControl1.Map.MapUnits); //求量测所需的单位
#region 状态栏
//就绪
//比例尺
labelItem2.Text = " 比例尺 1:" + ((long)this.axMapControl1.MapScale).ToString();
//坐标
lbl_Coordinate.Text = "当前坐标：X:" + e.mapX.ToString() + " Y: " + e.mapY.ToString();
#endregion
pMovePt = (axMapControl1.Map as IActiveView).ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
#region 长度量算
if (pMouseOperate == "MeasureLength")
{
if (pNewLineFeedback != null)
{
pNewLineFeedback.MoveTo(pMovePt);
}
double deltaX = 0; //两点之间X差值
double deltaY = 0; //两点之间Y差值
if ((pPointPt != null) && (pNewLineFeedback != null))
{
deltaX = pMovePt.X - pPointPt.X;
deltaY = pMovePt.Y - pPointPt.Y;
dSegmentLength = Math.Round(111.199 * (Math.Sqrt((deltaY * deltaY) + (deltaX * deltaX) * (Math.Cos((pPointPt.Y + pMovePt.Y) / 2) * Math.Cos((pPointPt.Y + pMovePt.Y) / 2)))), 3);
dToltalLength = dToltalLength + dSegmentLength;
if (frmMeasureResult != null)
{
frmMeasureResult.lblMeasureResult.Text = String.Format(
"当前量测的距离为：{0:.###}{1};\r\n总长度为: {2:.###}{1}",
dSegmentLength, sMapUnits, dToltalLength);
dToltalLength = dToltalLength - dSegmentLength; //鼠标移动到新点重新开始计算
}
frmMeasureResult.frmClosed += new FrmMeasureResult.FrmClosedEventHandler(frmMeasureResult_frmColsed);
}
}
#endregion
#region 面积量算
if (pMouseOperate == "MeasureArea")
{
if (pNewPolygonFeedback != null)
{
pNewPolygonFeedback.MoveTo(pMovePt);
}
IPointCollection pPointCol = new Polygon();
IPolygon pPolygon = new PolygonClass();
IGeometry pGeo = null;
ITopologicalOperator pTopo = null;
for (int i = 0; i <= pAreaPointCol.PointCount - 1; i++)
{
pPointCol.AddPoint(pAreaPointCol.get_Point(i), ref missing, ref missing);
}
pPointCol.AddPoint(pMovePt, ref missing, ref missing);
if (pPointCol.PointCount < 3)
{
return;
}
pPolygon = pPointCol as IPolygon;
if ((pPolygon != null))
{
pPolygon.Close();
pGeo = pPolygon as IGeometry;
pTopo = pGeo as ITopologicalOperator;
//使几何图形的拓扑正确
pTopo.Simplify();
pGeo.Project(axMapControl1.Map.SpatialReference);
IArea pArea = pGeo as IArea;
frmMeasureResult.lblMeasureResult.Text = String.Format(
"总面积为：{0:.####}平方{1};\r\n总长度为：{2:.####}{1}",
pArea.Area, sMapUnits, pPolygon.Length);
pPolygon = null;
}
}
#endregion
#region 移动显示名称
IFeatureLayer pFeatureLayer8 = axMapControl1.Map.get_Layer(0) as IFeatureLayer; //定位的图层包括了很多要素
pFeatureLayer8.DisplayField = "name";
pFeatureLayer8.ShowTips = true;
string pTip8;
pTip8 = pFeatureLayer8.get_TipText(e.mapX, e.mapY, axMapControl1.ActiveView.FullExtent.Width / 1000);
if (pTip8 != null && pTip8 != " ")
{
toolTip1.SetToolTip(axMapControl1, "这里是：" + pTip8);
}
else
{
toolTip1.SetToolTip(axMapControl1, "");
}
#endregion
}
